Hi everyone,
This patch enables exception handling for linux/ppc32. OK to commit?
Index: PPCTargetAsmInfo.cpp
===================================================================
--- PPCTargetAsmInfo.cpp (revision 45260)
+++ PPCTargetAsmInfo.cpp (working copy)
@@ -28,10 +28,6 @@
InlineAsmEnd = "# InlineAsm End";
AssemblerDialect = TM.getSubtargetImpl()->getAsmFlavor();
- NeedsSet = true;
- DwarfEHFrameSection =
- ".section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support";
- DwarfExceptionSection = ".section __DATA,__gcc_except_tab";
}
DarwinTargetAsmInfo::DarwinTargetAsmInfo(const PPCTargetMachine &TM)
@@ -60,7 +56,12 @@
HiddenDirective = "\t.private_extern\t";
SupportsExceptionHandling = true;
NeedsIndirectEncoding = true;
+ NeedsSet = true;
BSSSection = 0;
+
+ DwarfEHFrameSection =
+ ".section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support";
+ DwarfExceptionSection = ".section __DATA,__gcc_except_tab";
DwarfAbbrevSection = ".section __DWARF,__debug_abbrev,regular,debug";
DwarfInfoSection = ".section __DWARF,__debug_info,regular,debug";
@@ -98,6 +99,9 @@
WeakRefDirective = "\t.weak\t";
BSSSection = "\t.section\t\".sbss\",\"aw\",@nobits";
+ // Debug Information
+ AbsoluteDebugSectionOffsets = true;
+ SupportsDebugInformation = true;
DwarfAbbrevSection = "\t.section\t.debug_abbrev,\"\",@progbits";
DwarfInfoSection = "\t.section\t.debug_info,\"\",@progbits";
DwarfLineSection = "\t.section\t.debug_line,\"\",@progbits";
@@ -109,4 +113,20 @@
DwarfARangesSection = "\t.section\t.debug_aranges,\"\",@progbits";
DwarfRangesSection = "\t.section\t.debug_ranges,\"\",@progbits";
DwarfMacInfoSection = "\t.section\t.debug_macinfo,\"\",@progbits";
+
+ ReadOnlySection = "\t.section\t.rodata";
+ FourByteConstantSection = "\t.section\t.rodata.cst4,\"aM\",@progbits,4";
+ EightByteConstantSection = "\t.section\t.rodata.cst8,\"aM\",@progbits,8";
+ SixteenByteConstantSection = "\t.section\t.rodata.cst16,\"aM\",@progbits,16";
+ PCSymbol = ".";
+
+ // Set up DWARF directives
+ HasLEB128 = true; // Target asm supports leb128 directives (little-endian)
+
+ // Exceptions handling
+ if (!TM.getSubtargetImpl()->isPPC64())
+ SupportsExceptionHandling = true;
+ AbsoluteEHSectionOffsets = false;
+ DwarfEHFrameSection = "\t.section\t.eh_frame,\"aw\",@progbits";
+ DwarfExceptionSection = "\t.section\t.gcc_except_table,\"a\",@progbits";
}
Index: PPCISelLowering.cpp
===================================================================
--- PPCISelLowering.cpp (revision 45260)
+++ PPCISelLowering.cpp (working copy)
@@ -167,15 +167,13 @@
// Support label based line numbers.
setOperationAction(ISD::LOCATION, MVT::Other, Expand);
setOperationAction(ISD::DEBUG_LOC, MVT::Other, Expand);
- if (!TM.getSubtarget<PPCSubtarget>().isDarwin()) {
- setOperationAction(ISD::LABEL, MVT::Other, Expand);
- } else {
- setOperationAction(ISD::EXCEPTIONADDR, MVT::i64, Expand);
- setOperationAction(ISD::EHSELECTION, MVT::i64, Expand);
- setOperationAction(ISD::EXCEPTIONADDR, MVT::i32, Expand);
- setOperationAction(ISD::EHSELECTION, MVT::i32, Expand);
- }
+ setOperationAction(ISD::EXCEPTIONADDR, MVT::i64, Expand);
+ setOperationAction(ISD::EHSELECTION, MVT::i64, Expand);
+ setOperationAction(ISD::EXCEPTIONADDR, MVT::i32, Expand);
+ setOperationAction(ISD::EHSELECTION, MVT::i32, Expand);
+
+
// We want to legalize GlobalAddress and ConstantPool nodes into the
// appropriate instructions to materialize the address.
setOperationAction(ISD::GlobalAddress, MVT::i32, Custom);
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